[PATCH 17/22] arm64: vdso: disable LTO
Sami Tolvanen
samitolvanen at google.com
Wed Jun 24 17:52:31 EDT 2020
On Wed, Jun 24, 2020 at 01:58:57PM -0700, 'Nick Desaulniers' via Clang Built Linux wrote:
> On Wed, Jun 24, 2020 at 1:33 PM Sami Tolvanen <samitolvanen at google.com> wrote:
> >
> > Filter out CC_FLAGS_LTO for the vDSO.
>
> Just curious about this patch (and the following one for x86's vdso),
> do you happen to recall specifically what the issues with the vdso's
> are?
I recall the compiler optimizing away functions at some point, but as
LTO is not really needed in the vDSO, it's just easiest to disable it
there.
Sami
More information about the linux-arm-kernel
mailing list